单项选择题 A customer’s new IBM System Storage DS8000 must be raised by two floors in the building to place it in the computer room.  In order to simplify the physical delivery， the storage specialist asks for （）

单项选择题 A customer needs a remote data copy， data migration， and off-site backup solution. The solution cannot impact application performance. The sites are over continental distances.  Which  characteristic of DS8700 Global Mirror makes it a good fit for this customer（）

单项选择题 A customer wants to purchase an IBM System Storage DS8000. The proposed location is in a data center on the third floor of an office building.  Which document should the storage specialist consult to ensure that the DS8000 can be installed in the proposed location（）